Finding the Fourth Proportional to 3,565,578,456.96, 4,920,651,947.64 and 1,979,670,493.44
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Solution
The fourth proportional to 3,565,578,456.96, 4,920,651,947.64 and 1,979,670,493.44 is: 2,732,030,605.08
Step by Step Solution
- Step 1: Write the proportion equation
3,565,578,456.96 : 4,920,651,947.64 = 1,979,670,493.44 : x - Step 2: Convert to fraction form
3,565,578,456.96/4,920,651,947.64 = 1,979,670,493.44/x - Step 3: Cross multiply
3,565,578,456.96x = 4,920,651,947.64 × 1,979,670,493.44 - Step 4: Simplify right side
3,565,578,456.96x = 9,741,269,469,230,977,024 - Step 5: Solve for x
x = 9,741,269,469,230,977,024/3,565,578,456.96 - Step 6: Final answer
x = 2,732,030,605.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.